CVE-2026-97486

medium

Description

In the Linux kernel, the following vulnerability has been resolved: hpfs: handle set_blocksize failures hpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.

References

https://git.kernel.org/stable/c/fc79fcc78cb771f2a803e52149cac5ca9050fd05

https://git.kernel.org/stable/c/f27e21cf3c0446a3536ea9b588a78a46b0a2cb66

https://git.kernel.org/stable/c/a405996f23e04942aad064ab8d50c55827482872

Details

Source: Mitre, NVD

Published: 2026-09-24

Updated: 2026-09-24

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00166